Best AI Tools for Developers

GPT models via API for apps, agents and automation. Pay-per-token.

Claude 3/4 family — strong reasoning and long-context models.

AI pair programmer inside VS Code, JetBrains and CLI.

Run open-source LLMs locally. Free, offline, private.

Model hub, datasets, Spaces and inference APIs.

Framework for building LLM applications with tools and agents.

Autonomous coding agent in your editor. Local-first, open source.

Single API to many models with unified pricing.